> Op 31 augustus 2016 om 12:42 schreef John Spray <jspray@xxxxxxxxxx>: > > > On Wed, Aug 31, 2016 at 11:23 AM, Wido den Hollander <wido@xxxxxxxx> wrote: > > Hi, > > > > I have a CephFS filesystem which is re-exported through NFS Ganesha (v2.3.0) with Ceph 10.2.2 > > > > The export works fine, but when calling a chgrp on a file the UID is set to root. > > > > Example list of commands: > > > > $ chown www-data:www-data myfile > > > > That works, file is now owned by www-data/www-data > > > > $ chgrp nogroup myfile > > Does the nogroup group have GID -1 by any chance? There is a bug in > the userspace client where it doesn't handle negative gid/uids > properly at all, which Greg is working on at the moment > (http://tracker.ceph.com/issues/16367) > No, it doesn't. nogroup is just an example here. This happens with any group. The UID is always set back to 0. Wido > John > > > That files, the UID is now set to 0 (root) and the group hasn't changed. > > > > I tracked this down to being a Ganesha problem in combination with CephFS. Running these commands on either a kernel mounted CephFS or via FUSE I don't see this problem. > > > > The Ganesha configuration: > > > > NFSv4 > > { > > IdmapConf = /etc/idmapd.conf; > > } > > > > EXPORT > > { > > Export_ID = 1; > > Path = "/"; > > Pseudo = "/"; > > Access_Type = RW; > > Protocols = "4"; > > Squash = no_root_squash; > > Transports = TCP; > > SecType = sys; > > > > FSAL { > > Name = CEPH; > > } > > } > > > > Has anybody seen this before? > > > > Wido > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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